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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
    var obj1= {
        name:'andy',
        age:19,
        sayHi:function(){
            console.log('say hi');
        }
    }
    var obj2 = {
        name:'jack',
        age:18,
        sayHi:function(){
            console.log('say hi');
            
        }
    }
    function creatDemo(name,age){
        var obj = {};
        obj.name = name;
        obj.age = age;

        return obj;

        var obj3 = creatDemo('zs',20);
        var obj4 = creatDemo('ls',28);
        var obj5 = creatDemo('ww',25);

        console.log(obj3,obj4);
        
    }
    </script>
</body>
</html>